Johan Emil Kauppi (28 October 1875 – disappeared 1930) was a Finnish composer.

[1] Kauppi married a woman named Liina Lovisa Lindström in 1908.

The first, in 1925, was Päiväkummun pidot (The Feast at Solhaug), which was well received by critics.

[2] The second, in 1930, was Nummisuutarit (The Cobblers on the Heath), which received only poor reviews.

[3] In October 1930, shortly after the premiere of Nummisuutarit, he disappeared and is thought to have committed suicide.